Scooby-Doo 2: Monsters Unleashed. Poster of the 2004 movie and cover of the book novelization
VS3
Scooby Doo 2: Monsters Unleashed
Suzanne Weyn, 2004
movie vs book   [NOVELIZATION]
Raja Gosnell, 2004

Fred, Daphne, Velma, Shaggy and Scooby-Doo attend the opening of an exhibition at the Coolsonian Criminology Museum commemorating their past solved cases with monster costumes on display. Scooby and Shaggy, after overhearing the rest of the gang criticizing their tendency to bumble every operation, resolve to better themselves and act like real detectives.